421532454552363 has 32 divisors (see below), whose sum is σ = 778588083448320. Its totient is φ = 218977898467680.

The previous prime is 421532454552343. The next prime is 421532454552397. The reversal of 421532454552363 is 363255454235124.

421532454552363 is a `hidden beast` number, since 4 + 2 + 1 + 5 + 3 + 2 + 4 + 54 + 5 + 523 + 63 = 666.

It is not a de Polignac number, because 421532454552363 - 2¹⁶ = 421532454486827 is a prime.

It is a super-2 number, since 2×421532454552363² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421532454552323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101378654620 + ... + 101378658777.

It is an arithmetic number, because the mean of its divisors is an integer number (24330877607760).

Almost surely, 2^{421532454552363} is an apocalyptic number.

421532454552363 is a deficient number, since it is larger than the sum of its proper divisors (357055628895957).

421532454552363 is a wasteful number, since it uses less digits than its factorization.

421532454552363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202757313424 (or 202757313418 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 54.

The spelling of 421532454552363 in words is "four hundred twenty-one trillion, five hundred thirty-two billion, four hundred fifty-four million, five hundred fifty-two thousand, three hundred sixty-three".